X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-m68k%2Fhardirq.h;h=5e1c5826c83d179e3d4f3228a884f7673b476e21;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=c74ad7709210a844330c9d829325b1a89b356625;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git diff --git a/include/asm-m68k/hardirq.h b/include/asm-m68k/hardirq.h index c74ad7709..5e1c5826c 100644 --- a/include/asm-m68k/hardirq.h +++ b/include/asm-m68k/hardirq.h @@ -12,45 +12,6 @@ typedef struct { #include /* Standard mappings for irq_cpustat_t above */ -/* - * We put the hardirq and softirq counter into the preemption - * counter. The bitmask has the following meaning: - * - * - bits 0-7 are the preemption count (max preemption depth: 256) - * - bits 8-15 are the softirq count (max # of softirqs: 256) - * - bits 16-23 are the hardirq count (max # of hardirqs: 256) - * - * - ( bit 26 is the PREEMPT_ACTIVE flag. ) - * - * PREEMPT_MASK: 0x000000ff - * HARDIRQ_MASK: 0x0000ff00 - * SOFTIRQ_MASK: 0x00ff0000 - */ - -#define PREEMPT_BITS 8 -#define SOFTIRQ_BITS 8 #define HARDIRQ_BITS 8 -#define PREEMPT_SHIFT 0 -#define SOFTIRQ_SHIFT (PREEMPT_SHIFT + PREEMPT_BITS) -#define HARDIRQ_SHIFT (SOFTIRQ_SHIFT + SOFTIRQ_BITS) - -/* - * The hardirq mask has to be large enough to have - * space for potentially all IRQ sources in the system - * nesting on a single CPU: - */ -#if (1 << HARDIRQ_BITS) < NR_IRQS -# error HARDIRQ_BITS is too low! -#endif - -#define irq_enter() (preempt_count() += HARDIRQ_OFFSET) -#define irq_exit() \ -do { \ - preempt_count() -= IRQ_EXIT_OFFSET; \ - if (!in_interrupt() && softirq_pending(smp_processor_id())) \ - do_softirq(); \ - preempt_enable_no_resched(); \ -} while (0) - #endif